Kennedy \k(e)-nne-dy\ as a boy's name (also used as girl's name Kennedy), is pronounced KEN-a-dee. It is of Irish and Gaelic origin, and the meaning of Kennedy is "helmet head". Use as a given name may be inspired by President John F. Kennedy. Violinist Nigel Kennedy.

Kennedy has 4 variant forms: Canaday, Canady, Kennady and Kennedey.

Baby names that sound like Kennedy are Kenneth, Kennett and Kennet.